One of the Expedition's 'Dry Camps" in tlic lu'art of llie fossil fields south of the Gray Bull 

 Ki\er. Dr. Sinclair and Mr. Olsen, two members of the txpedition, worked for more than a month 

 from these dry camps, which were supplied periodically with water and provisions from the main camp 

 on tiie river. 





I'rospectint: in Wind i;i\rr liusiii, Wj (/ri.iiif;. .Miicli iiC i 

 fieolofiical reconnaissanei' work i> ijoiir on liorsrhack hiii the 

 be done afoot. 



he I rtliinin;u\ prosper; in^; and the 

 actual scareli for small fossils must 



87 



